Leadership
Our Executive and Directors Team are experienced professionals who lead with care and compassion.
Leadership
Our Executive and Director Teams are experienced professionals who lead with care and compassion.
Introduction
Meet Our Executive Team
Jason Vanderscoff | LADC
CEO | Chairman of the Board
Martin Beck
President | Chief Financial Officer
Martin’s professional life has been spent as an investment banker and investor in the industrial, business services and healthcare sectors.
Sarah Roy | MBA
Executive Vice President
Sarah Roy, recently promoted to Executive Vice President at NorthStar Regional, brings extensive leadership experience and a proven track record of operational excellence. Sarah’s journey with NorthStar began in the Admissions Department, where she spearheaded transformative improvements to administrative processes and cultivated a collaborative team culture that significantly enhanced client experiences. Her success in Admissions paved the way for her role as Vice President of Operations, where she excelled in optimizing daily operations, driving organizational efficiencies, and playing an instrumental role in strategic expansion initiatives.
Now, as Vice President, Sarah’s focus has broadened to include overseeing cross-departmental collaboration, mentoring leadership teams, and fostering a culture of innovation and growth throughout the organization. Her data-driven approach to decision-making and unwavering commitment to NorthStar’s mission, vision, and values continue to guide her work in shaping a thriving and supportive environment for staff and clients alike.
John McGinnis | LADC
Chief Operating Officer
John has been a leading force in the quality of our client care. Client care and the client experience in treatment have long been John’s passion. As COO, his goal is to bring his experience, knowledge and leadership experience to all NorthStar Regional Programs and Corporate Operations.
Jonathan Holt
Chief Marketing Officer
Jonathan’s educational background includes a degree in Advertising, which he earned from Collins College in Tempe, Arizona. His career journey is marked by an unwavering commitment to driving strategic marketing initiatives, fostering organizational growth, and achieving impactful results within the dynamic and ever-evolving field of marketing and communications.
Annette Pearson | MS, LADC, CBIS
Chief of Programs & Services
Bringing passion to her role. Annette’s focus revolves around improving client care with evidence-based practices and cutting edge treatment modalities while training, supporting, and educating counselors and staff entrusted under her supervision.
Riko Armstrong
Compliance Officer
Amy VanHouten | ADC-T
Vice President of Operations
Amy began her journey with NorthStar Regional through an internship at the Maple Grove IOP, where she gained hands-on experience across multiple stages of care. Her dedication and leadership quickly advanced her to the role of Treatment Director at the Riverwood Campus in Otsego, where she played a pivotal role in shaping programming and guiding staff.
Now as Vice President of Operations, Amy oversees NSR’s facilities and programs with the same commitment to excellence that has defined her career. She is recognized for her exceptional organizational skills, ability to lead and support employees, and comprehensive knowledge of DHS policies and procedures. A driving force behind NSR’s mission, Amy is dedicated to fostering environments where clients and staff alike can thrive—ensuring that compassionate, high-quality care remains at the center of everything we do.
Jackie Kerkow-Dohmen | MSW, LICSW
Vice President of Mental Health
Jacki has worked in the field since 2012 and joined NorthStar Regional in 2021. She brings extensive experience in outpatient mental health, including work with clients living with severe and persistent mental illness (SPMI), and is passionate about trauma-informed care. Jacki is also trained in Accelerated Resolution Therapy (ART), a specialized approach that helps clients process and heal from difficult or traumatic memories.
At NSR, Jacki has been a dedicated leader, supporting both clients and clinicians with compassion and expertise. In her new role, she will continue expanding NSR’s mental health programs while mentoring staff and ensuring that clients receive the highest quality of care.
Introduction
Meet Our Director Team
Annabel Lenze
Director of Admissions
When she’s not at work, Annabel enjoys video games, Horror movies, and spending time with her two cats, Stevie and Nicks.
Jeanine Jackson
Director of Human Resources
Jeanine graduated from Metropolitan State University with a Master of Public and Nonprofit Administration (MPNA) in 2019, her undergraduate focus was Human Resource Management. She has over 15+ years of experience in HR and compliance in the nonprofit sector, corporate, tribal, and government/public sector. She is an Adjunct Professor/Community Faculty at Metro State where she teaches ‘Contemporary Native American Issues for Nonprofits and Government’. Her published work can be found in the Journal of Nonprofit and Public Affairs. She has a passion for and background in the recovery, mental health, SUDS community and was an active member of the Association of Recovery Schools National Board.
Jeanine has collaborated with the University of Chicago Chapin Hall in Washington DC on a national strategy to end homelessness, and was a presenter at the National Alliance to End Homelessness 2021. She has presented her research, taught, and designed coursework in many other capacities. She is an enrolled member of Lac Du Flambeau Band of Lake Superior Chippewa Indians her tribes are Ojibwe (enrolled), Potawatomi, and Cree descendent.
Justin Michaud
Director of Revenue Cycle
Madilyn Myers | MA, LPCC, LADC
Treatment Director, Men’s Riverwood Campus
Madilyn Myers serves as the Treatment Director at NorthStar Regional’s Men’s Riverwood Campus. She previously led clinical services at Riverwood for IOL clients, and led our IOP program in Maple Grove, bringing her experience and dedication to multiple campuses within the organization.
A Licensed Professional Clinical Counselor (LPCC) and Licensed Alcohol and Drug Counselor (LADC), Madilyn has more than six years of experience supporting individuals through the challenges of mental health and addiction. She is passionate about helping clients build insight into the connection between mental health and substance use, while encouraging resilience, strength, and motivation for lasting recovery.
Madilyn earned her undergraduate degree in psychology and communications from the University of South Dakota, followed by a master’s degree in clinical mental health counseling. She remains dedicated to client-centered care, ensuring every individual feels supported, understood, and empowered on their recovery journey.
Misty Virnig | LPCC, LADC, CCTP, EMDR Therapist
Treatment Director, Eden Prairie Campus
Misty Virnig brings over 15 years of experience in the behavioral health field to her role as Treatment Director at NorthStar Regional’s Eden Prairie campus. She holds a bachelor’s degree from St. Cloud State University and a master’s degree from the Hazelden Betty Ford Graduate School. Misty has worked across multiple levels of care including outpatient substance use disorder treatment for adults, outpatient mental health for both children and adults, ARMHS, residential mental health, and medication-assisted treatment. She has also specialized in working with adolescents in both residential settings and as a School-Linked Mental Health Therapist, completing advanced training in DC:0-5 for early childhood mental health assessments.
Since joining NorthStar Regional in 2024 as a Mental Health Therapist at Otsego’s IOP with lodging program, Misty has continued to demonstrate her commitment to client-centered care. As a Certified Clinical Trauma Professional and EMDR therapist, she leads with a “trust and inspire” approach—believing in the potential within each person, even when it may be difficult for them to see it themselves. Misty is passionate about fostering environments where both staff and clients can grow into the best version of themselves. Outside of work, she enjoys time with her children and her two pugs—Lola, a registered therapy dog who often accompanies her to work, and Georgia, a therapy dog in training.
Rafael Lewis | MA, LADC
Treatment Director, Southern Campuses
Rafael is a Licensed Alcohol and Drug Counselor (LADC) and is currently pursuing an M.A. in Counseling and Psychological Services at Saint Mary’s University in Minneapolis, aiming to become a Licensed Professional Clinical Counselor (LPCC). His primary focus is on client services, striving to ensure that individuals have a smooth experience and benefit fully from NSR’s extensive range of programs. Passionate about recovery, mental and physical health, and overall well-being, Rafael is also a proud husband and father.
Tanya Mittelstaedt | LADC
Clinical Director, WRTC
Tanya Mittelstaedt serves as the Clinical Director for NorthStar Regional’s Women’s Residential Treatment Center (WRTC) in Chaska. She joined NorthStar Regional in 2019 and has been instrumental in delivering compassionate, client-centered care to women in recovery. Tanya was promoted to Clinical Director in May 2024, bringing both clinical expertise and lived experience to her leadership role.
Tanya earned her LADC following an 880-hour internship at Hazelden in Plymouth, where she worked closely with adolescent girls. She graduated from Metropolitan State University in May of 2019. With nearly a decade of personal recovery experience—celebrating 10 years of sobriety in September 2025—Tanya offers a perspective that is deeply empathetic and grounded in real-world understanding.
She is known for her transparent and direct communication style, as well as her genuine commitment to the women she serves. Tanya often reflects that while not every client may find recovery immediately, “we’re planting seeds.” Her leadership reflects a commitment to both accountability and hope. Outside of work, she enjoys time at the beach—especially if it’s part of a Disney Cruise. She also enjoys fishing and spending time with her husband and 14-year-old daughter and other family at her cabin up north.
Kathryn Harvey | LADC
Clinical Director, Sugar Creek Campus
A graduate of Minnesota State University, Mankato, Kathryn earned her B.S. in Alcohol and Drug Studies and has since excelled in various counseling roles. Her two years at NorthStar Regional’s Shakopee Men’s Residential facility have been marked by her unwavering commitment to excellence and compassionate care.
Kathryn believes in fostering a healthy work-life balance and enjoys collaborating with her team to provide leadership and support. Her passion for addiction recovery and her drive to inspire others make her an invaluable part of the NorthStar Regional community.